短語詞組短語Plant Soot 百草霜soot blowing 吹灰;[環(huán)境]菸灰吹除;菸灰吹除soot particle 灰粒;碳菸顆粒acid soot 酸性菸灰;[化工]酸菸垢;酸菸垢soot concentration 菸灰濃度;煤菸濃度soot filter 菸塵濾琯soot content 煤菸含量Black soot 黑菸塵oil soot 油菸炱soot blower 吹灰裝置；菸灰吹除機soot formation 菸炱的形成；積灰 返回 soot